Abstract
Different amounts of LSGM nanoparticles were dispersed in the silver thin film cathode using the RF magnetron sputtering method. The nanostructure of the Ag-LSGM composite thin film cathode was observed using a field emission scanning electron microscope, and the area specific resistance of the Ag-LSGM composite thin film cathodes was measured by the three-probe AC impedance method. The silver grains became smaller as the amount of the LSGM nanoparticles increased after annealing at 600 ° in air for 100 h. The non-charge-transfer resistance decreased and became constant with an increase in the amount of the LSGM nanoparticles dispersed in the Ag-LSGM composite thin film cathode.
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